WASHINGTON (AP) — Two Democratic women running for president unveiled plans Wednesday to improve maternal health care, with Sen. Kamala Harris reintroducing a bill aimed at addressing racial disparities in childbirth care and Sen. Kirsten Gillibrand promising to make adoptions and high-tech fertility treatments more accessible to those who want children.

Harris' bill, first introduced in 2018, would create a $25 million program to fight racial bias in maternal care. It would direct grants to medical schools, nursing schools and other training programs to improve care for black women, who are three to four times more likely than white women to die in childbirth .

Her revived proposal also would allocate an additional $125 million toward identifying high-risk pregnancies and, according to her Senate office, provide mothers with the "culturally competent care and resources they need."

"Black mothers across the country are facing a health crisis that is driven in part by implicit bias in our health care system," Harris, of California, said in a statement. "We must take action to address this issue, and we must do it with the sense of urgency it deserves."

Harris and Gillibrand, of New York, are among a number of contenders for the Democratic presidential nomination focused on maternal mortality rates. The issue was the first that Massachusetts Sen. Elizabeth Warren was questioned on at a recent candidate forum in Houston focused on issues key to women of color, and she recently penned an op-ed for Essence magazine on the topic.

New Jersey Sen. Cory Booker earlier this year teamed up with Massachusetts Rep. Ayanna Pressley and introduced legislation aimed at reducing the country's maternal mortality rate, particularly among black women.

Gillibrand announced a plan for a Family Bill of Rights , which she vowed to...